DLMF:18.27.E18 (Q5969)

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Language	Label	Description	Also known as
English	DLMF:18.27.E18	No description defined

Statements

{\displaystyle{\displaystyle S_{n}\left(x;q\right)=\sum_{\ell=0}^{n}\frac{q^{% \ell^{2}}(-x)^{\ell}}{\left(q;q\right)_{\ell}\left(q;q\right)_{n-\ell}}=\frac{% 1}{\left(q;q\right)_{n}}{{}_{1}\phi_{1}}\left({q^{-n}\atop 0};q,-q^{n+1}x% \right).}}

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DLMF:18.27.E18

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